1. **Is the object circular in shape?**
   - **Answer:** Yes
   - **Reasoning:** From all three images, the object consistently appears as a circular disk, maintaining its circular shape from every angle.

2. **Is the object extruded by a small amount?**
   - **Answer:** Yes
   - **Reasoning:** The images show that the object has a certain thickness, indicating that it is not merely a flat circle but has been extruded to form a disk.

3. **Does the object have a circular hole at the center?**
   - **Answer:** Yes
   - **Reasoning:** All three images clearly depict a circular hole located at the center of the object.

4. **Is the radius of the hole half of the radius of the original circle?**
   - **Answer:** Unclear
   - **Reasoning:** Without specific measurements or a scale reference in the images, it is difficult to accurately determine the ratio of the radius of the hole to the radius of the entire object. The hole appears significantly smaller than the outer circle, but whether it is exactly half cannot be determined from the images alone.